From 08856b8738ea4fc17b13986c9f2619383cb4a6e9 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 03:19:28 +0200 Subject: Improve DB version() implementation and add pg_version() support --- system/database/drivers/cubrid/cubrid_driver.php | 14 ++++------- .../drivers/interbase/interbase_driver.php | 15 ++++++++---- system/database/drivers/mssql/mssql_driver.php | 7 +++--- system/database/drivers/mysql/mysql_driver.php | 8 ++++--- system/database/drivers/mysqli/mysqli_driver.php | 8 ++++--- system/database/drivers/oci8/oci8_driver.php | 11 +++++---- system/database/drivers/odbc/odbc_driver.php | 13 ----------- system/database/drivers/pdo/pdo_driver.php | 10 ++++---- system/database/drivers/postgre/postgre_driver.php | 27 +++++++++++++++++----- system/database/drivers/sqlite/sqlite_driver.php | 9 ++++---- system/database/drivers/sqlite/sqlite_forge.php | 4 ++-- system/database/drivers/sqlsrv/sqlsrv_driver.php | 24 ++++++++++++------- 12 files changed, 84 insertions(+), 66 deletions(-) (limited to 'system/database/drivers') diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index cb33919a4..afdaef351 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -156,19 +156,15 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - // To obtain the CUBRID Server version, no need to run the SQL query. - // CUBRID PHP API provides a function to determin this value. - // This is why we also need to add 'cubrid' value to the list of - // $driver_version_exceptions array in DB_driver class in - // version() function. - return cubrid_get_server_info($this->conn_id); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = cubrid_get_server_info($this->conn_id); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index 51e814e16..f4bd9e271 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -115,19 +115,24 @@ class CI_DB_interbase_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + if (($service = ibase_service_attach($this->hostname, $this->username, $this->password))) { - $version = ibase_server_info($service, IBASE_SVC_SERVER_VERSION); + $this->data_cache['version'] = ibase_server_info($service, IBASE_SVC_SERVER_VERSION); // Don't keep the service open ibase_service_detach($service); - return $version; + return $this->data_cache['version']; } return FALSE; @@ -581,7 +586,7 @@ SQL; $orig_sql = $sql; // Limit clause depends on if Interbase or Firebird - if (stripos($this->_version(), 'firebird') !== FALSE) + if (stripos($this->version(), 'firebird') !== FALSE) { $sql = 'FIRST '. (int) $limit; diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index 188c91f9b..147c63483 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -339,12 +339,11 @@ class CI_DB_mssql_driver extends CI_DB { /** * Version number query string * - * @access public - * @return string + * @return string */ - function _version() + protected function _version() { - return "SELECT @@VERSION AS ver"; + return 'SELECT @@VERSION AS ver'; } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index a7f08d1a8..7108a6db1 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -157,13 +157,15 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return 'SELECT version() AS ver'; + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 031371345..19353944d 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -157,13 +157,15 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return @mysqli_get_server_info($this->conn_id); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysqli_get_server_info($this->conn_id); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 97efb4647..35cafff6c 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -139,14 +139,15 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access protected - * @return string + * @return string */ - protected function _version() + public function version() { - return oci_server_version($this->conn_id); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = oci_server_version($this->conn_id); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 5a93f7cad..779b0c62f 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -123,19 +123,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - /** * Execute the query * diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index de5e1f05e..8fdfd58fb 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -289,13 +289,15 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION); } // -------------------------------------------------------------------- @@ -499,7 +501,7 @@ class CI_DB_pdo_driver extends CI_DB { */ public function insert_id($name = NULL) { - if ($this->pdodriver === 'pgsql' && $name === NULL && $this->_version() >= '8.1') + if ($this->pdodriver === 'pgsql' && $name === NULL && $this->version() >= '8.1') { $query = $this->query('SELECT LASTVAL() AS ins_id'); $query = $query->row(); diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 0fcd954e9..d6681086a 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -147,14 +147,30 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return "SELECT version() AS ver"; + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + + if (($pg_version = pg_version($this->conn_id)) === FALSE) + { + return FALSE; + } + + /* If PHP was compiled with PostgreSQL lib versions earlier + * than 7.4, pg_version() won't return the server version + * and so we'll have to fall back to running a query in + * order to get it. + */ + return isset($pg_version['server']) + ? $this->data_cache['version'] = $pg_version['server'] + : parent::version(); } // -------------------------------------------------------------------- @@ -323,8 +339,7 @@ class CI_DB_postgre_driver extends CI_DB { */ function insert_id() { - $v = $this->_version(); - $v = $v['server']; + $v = $this->version(); $table = func_num_args() > 0 ? func_get_arg(0) : NULL; $column = func_num_args() > 1 ? func_get_arg(1) : NULL; diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 3e4b37320..3eaec949c 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -141,14 +141,15 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return sqlite_libversion(); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = sqlite_libversion(); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php index 2b723be0b..fd0f3eb98 100644 --- a/system/database/drivers/sqlite/sqlite_forge.php +++ b/system/database/drivers/sqlite/sqlite_forge.php @@ -89,7 +89,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge { $sql = 'CREATE TABLE '; // IF NOT EXISTS added to SQLite in 3.3.0 - if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE) + if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE) { $sql .= 'IF NOT EXISTS '; } @@ -274,4 +274,4 @@ class CI_DB_sqlite_forge extends CI_DB_forge { } /* End of file sqlite_forge.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ \ No newline at end of file +/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 03d7c7199..5c90cb4f2 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -317,15 +317,23 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string - * - * @access public - * @return string - */ - function _version() + * Database version number + * + * @return string + */ + public function version() { - $info = sqlsrv_server_info($this->conn_id); - return sprintf("select '%s' as ver", $info['SQLServerVersion']); + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + + if (($info = sqlsrv_server_info($this->conn_id)) === FALSE) + { + return FALSE; + } + + return $this->data_cache['version'] = $info['SQLServerVersion']; } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b